Table 1.
Source | % contribution to nitrous oxide emission |
---|---|
Fertilizers | 77 |
Animal and green manure | 13 |
Soil mineralization | 9 |
Crop residue | 1 |
Source | % contribution to nitrous oxide emission |
---|---|
Fertilizers | 77 |
Animal and green manure | 13 |
Soil mineralization | 9 |
Crop residue | 1 |